Seiko Cal. 6337 - 977

This Automatic model from 1989 features a 45mm Two-Tone case. Powered by the 6337 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-9fd738d032d3]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

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